The National Interest on MSN
How Were Modern Helicopters Invented?
The idea of the helicopter dates back to the Renaissance—but the contraptions could not be built until the development of modern aerospace engineering during the interwar period.
Enlarged ed. of Practical helicopter aerodynamics, with additional material previously published in Rotor & wing international from 1982-1984. https://siris-libraries ...
Found and Explained Official on MSN
Lockheed's Attack Helicopter That Almost Changed Vietnam - AH-56 Cheyenne
The AH-56 Cheyenne was Lockheed’s revolutionary attempt to build a high-speed, long-range attack helicopter for the U.S. Army ...
Helicopter rotor performance and optimisation represent a dynamic field of research that addresses improvements in efficiency, environmental impact and overall operational capability. Researchers have ...
Ship airwake dynamics play a critical role in ensuring the safe and effective operation of shipboard helicopters. The complex interaction between the turbulent airflow generated by a vessel and the ...
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